Disposable endoscope biopsy forceps set with coating

By designing a coated disposable endoscopic biopsy forceps set and utilizing an elastic support ring and support wire structure, the problems of contamination and cleaning of endoscopic sampling forceps are solved, convenient disassembly and cleaning are achieved, costs are reduced, and bending stability is maintained.

CN120753709APending Publication Date: 2025-10-10HUNAN SHIYAO MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202511247333.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-03
Publication Date
2025-10-10

AI Technical Summary

Technical Problem

Existing endoscopic sampling forceps are easily contaminated, inconvenient to clean and reuse, which increases sampling costs and patient burdens, and is not convenient for maintaining the bending stability of the endoscope tube.

Method used

A coated disposable endoscopic biopsy forceps set is designed. It adopts an elastic bent tube and multiple elastic support rings and a support wire structure, combined with a connecting threaded sleeve and a sealing partition, to achieve convenient disassembly and assembly of the forceps head and electrical connection, ensure bending stability, and drive the rotation of the sampling forceps head through the sampling wire and transmission slide.

Benefits of technology

The forceps head can be conveniently disassembled and cleaned, which reduces the risk of contamination, maintains the bending stability of the endoscope tube, and reduces the burden on patients and sampling costs.

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Abstract

The disposable endoscope biopsy forceps set comprises a handle, an elastic bent pipe is installed at one end of the handle, the elastic bent pipe comprises a coating layer, an elastic installation pipe is fixedly installed on the inner wall of the coating layer, a plurality of elastic supporting rings are installed in the elastic installation pipe, and the elastic supporting rings are fixedly installed on the inner wall of the coating layer. A plurality of elastic supporting wires are mounted on the inner side of the elastic supporting ring, a plurality of retaining pieces are fixedly mounted on the inner side of the elastic mounting pipe, and a sampling drawn wire and a second wire are mounted on the inner sides of the retaining pieces; a power connection head is fixedly installed at one end of the second wire, a first wire is installed at one end of the power connection head, and an endoscopic camera is fixedly installed at one end of the first wire. The pair of assembled biopsy forceps is used for performing endoscope sampling on a patient, partial disposable use is realized, the cleaning difficulty and the use cost are conveniently reduced, and the bent stability is conveniently kept when the pair of assembled biopsy forceps moves along the forceps channel.
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Description

Technical Field

[0001] The invention relates to the technical field of living body sampling, in particular to a disposable endoscope living body sampling forceps set with a coating. Background Art

[0002] Endoscopy has been widely used in clinical practice as an auxiliary diagnostic method. Sampling forceps are essential tools for endoscopy. When a doctor or patient wishes to perform a pathological examination on a lesion, they can be inserted through the endoscope channel into the patient's body to obtain tissue from the lesion for pathological examination and confirmation. Endoscopic sampling is painless and minimally invasive, making it a popular procedure for both doctors and patients.

[0003] The existing sampling forceps are contaminated when performing endoscopic sampling on patients, which makes it difficult to clean and reuse them, increasing the sampling cost and the burden on patients, and making it difficult to maintain the bending stability of the endoscope tube. Therefore, this does not meet the existing needs. In this regard, we have proposed a coated disposable endoscopic biopsy forceps set. Summary of the Invention

[0004] The purpose of the present invention is to provide a coated disposable endoscopic biopsy forceps set to solve the problems raised in the above background technology, such as the sampling forceps being contaminated during endoscopic sampling on patients, being inconvenient to clean and reuse, increasing the sampling cost and the burden on patients, and being inconvenient to maintain the bending stability of the endoscope tube.

[0005] To achieve the above objectives, the present invention provides the following technical solutions: a coated disposable endoscopic biopsy forceps set, comprising a handle, one end of which is mounted with an elastic curved tube, the elastic curved tube comprising a coating layer, an elastic mounting tube fixedly mounted on the inner wall of the coating layer, a plurality of elastic support rings mounted inside the elastic mounting tube, a plurality of elastic support wires mounted inside the elastic support rings, a plurality of retaining sheets fixedly mounted inside the elastic mounting tube, a sampling wire and a second wire mounted inside the plurality of retaining sheets; One end of the second wire is fixedly mounted with an electrical connector, one end of the electrical connector is mounted with a first wire, and one end of the first wire is fixedly mounted with an endoscope camera.

[0006] Preferably, a pliers head mounting sleeve is installed at one end of the elastic mounting tube, a connecting threaded sleeve is installed between the elastic mounting tube and the pliers head mounting sleeve, and a sealing partition is fixedly installed on the inner side of the connecting threaded sleeve.

[0007] Preferably, a transmission slide is slidably connected to the inner side of one end of the clamp head mounting sleeve, one side of the transmission slide is rotatably connected to two transmission connecting rods, and one end of the transmission connecting rod is rotatably connected to the sampling clamp head.

[0008] Preferably, the plurality of elastic support rings and retaining plates are evenly arranged along the axis of the elastic mounting tube, the plurality of elastic support wires are circumferentially arranged relative to the axis of the elastic mounting tube, and the plurality of elastic support wires pass through the elastic support rings and are bonded and fixed to the elastic mounting tube.

[0009] Preferably, both ends of the connecting threaded sleeve are threadedly connected to the clamp head mounting sleeve and the elastic mounting tube, the electrical connector is threadedly connected to the sealing partition, the endoscopic camera is connected to the second wire through the first wire and the electrical connector, and the endoscopic camera is fixedly connected to the clamp head mounting sleeve.

[0010] Preferably, one end of the sampling wire passes through multiple retaining plates, sealing partitions and a clamp head mounting sleeve and is fixedly connected to the middle of the transmission slide. The transmission slide is connected to the clamp head mounting sleeve through a spring, and the transmission slide slides linearly back and forth along the axis of the clamp head mounting sleeve.

[0011] Preferably, both ends of the transmission connecting rod are rotatably connected to the transmission slide and the sampling clamp head, a pin is provided in the middle of the two sampling clamp heads, a waist-shaped hole is provided on the outside of the clamp head mounting sleeve, one end of the pin passes through the waist-shaped hole and is rotatably connected to the two sampling clamp heads.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention has multiple mutually perpendicular elastic support rings and elastic support wires distributed inside the elastic mounting tube, so that the elastic support rings and elastic support wires can provide elastic support when the elastic elbow is bent, keeping the diameter of the elastic elbow unchanged at all locations during bending. The pliers head mounting sleeve is connected to the threaded sleeve, achieving disposable use of the pliers head mounting sleeve and facilitating disassembly and assembly. 2. When the clamp head mounting sleeve is assembled, the first wire can automatically be electrically connected to the second wire through the electrical connector, so that the sealing partition can seal the elastic elbow when the clamp head mounting sleeve is disassembled, which is convenient for cleaning the elastic elbow. The sampling wire drives the transmission slide to slide axially, and then the transmission slide drives the two sampling clamp heads to rotate toward each other through the transmission connecting rod to realize the living body sampling operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic structural diagram of the present invention as a whole; Figure 2 Schematic diagram of the structure of the elastic elbow of the present invention Figure 3 It is a schematic diagram of a partial cross-sectional structure of the present invention as a whole; Figure 4 This is a schematic diagram of the installation structure of the sampling clamp head of the present invention; Figure 5 This is a schematic diagram of the installation structure of the elastic support ring of the present invention.

[0014] In the figure: 1. Elastic elbow; 2. Coating layer; 3. Clamp head mounting sleeve; 4. Sampling clamp head; 5. Elastic mounting tube; 6. Transmission connecting rod; 7. Transmission slide; 8. Sampling wire drawing; 9. Sealing partition; 10. Retaining plate; 11. First wire; 12. Endoscope camera; 13. Connecting head; 14. Second wire; 15. Connecting threaded sleeve; 16. Elastic support ring; 17. Elastic support wire; 18. Handle. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0016] See also Figures 1 to 5 , the present invention provides an embodiment: a coated disposable endoscopic biopsy forceps set, comprising a handle 18, one end of the handle 18 is installed with an elastic bent tube 1, the elastic bent tube 1 includes a coating layer 2, the inner wall of the coating layer 2 is fixedly installed with an elastic mounting tube 5, a plurality of elastic support rings 16 are installed inside the elastic mounting tube 5, a plurality of elastic support wires 17 are installed on the inner side of the elastic support ring 16, a plurality of retaining sheets 10 are fixedly installed on the inner side of the elastic mounting tube 5, the plurality of elastic support rings 16 and the retaining sheets 10 are uniformly arranged along the axis of the elastic mounting tube 5, the plurality of elastic support wires 17 are circumferentially arranged relative to the axis of the elastic mounting tube 5, the plurality of elastic support wires 17 all penetrate the elastic support ring 16 and are bonded and fixed to the elastic mounting tube 5, and the elastic support ring 16 and the elastic support wire 17 can provide elastic support when the elastic bent tube 1 is bent, so as to keep the diameter size of the elastic bent tube 1 unchanged at all locations when it is bent.

[0017] See also Figure 3 and Figure 5 , a sampling wire 8 and a second wire 14 are installed on the inner side of the multiple holding pieces 10, one end of the second wire 14 is fixedly installed with an electrical connector 13, one end of the electrical connector 13 is installed with a first wire 11, one end of the first wire 11 is fixedly installed with an endoscope camera 12, one end of the elastic mounting tube 5 is installed with a clamp head mounting sleeve 3, a connecting threaded sleeve 15 is installed between the elastic mounting tube 5 and the clamp head mounting sleeve 3, a sealing partition 9 is fixedly installed on the inner side of the connecting threaded sleeve 15, both ends of the connecting threaded sleeve 15 are threadedly connected to the clamp head mounting sleeve 3 and the elastic mounting tube 5, and the clamp head mounting sleeve 3 is connected by the connecting threaded sleeve 15 to realize the disposable use of the clamp head mounting sleeve 3, which is convenient for disassembly and assembly; The power connector 13 is connected with the sealing partition plate 9 through screw connection, the endoscope camera 12 is connected with the second wire 14 through the first wire 11 and the power connector 13, the endoscope camera 12 is fixedly connected with the forceps mounting sleeve 3, the first wire 11 can be automatically electrically connected with the second wire 14 through the power connector 13, and then the forceps mounting sleeve 3 is inserted into the forceps channel, and the image collection and display are realized through the endoscope camera 12.

[0018] Please refer to Figure 3 and Figure 4 , the inside of one end of the forceps mounting sleeve 3 is slidably connected with the transmission sliding seat 7, one end of the sampling pull wire 8 penetrates through the plurality of retaining sheets 10, the sealing partition plate 9 and the forceps mounting sleeve 3 and is fixedly connected with the middle part of the transmission sliding seat 7, the transmission sliding seat 7 is connected with the forceps mounting sleeve 3 through the spring, the transmission sliding seat 7 linearly reciprocatingly slides along the axis of the forceps mounting sleeve 3, so that the sampling pull wire 8 drives the transmission sliding seat 7 to axially slide under the guidance and support of the plurality of retaining sheets 10, the sealing partition plate 9 and the forceps mounting sleeve 3.

[0019] Please refer to Figure 3 and Figure 4 , two transmission connecting rods 6 are rotatably connected with one side of the transmission sliding seat 7, one end of the transmission connecting rod 6 is rotatably connected with the sampling forceps 4, the two ends of the transmission connecting rod 6 are rotatably connected with the transmission sliding seat 7 and the sampling forceps 4, the middle part of the two sampling forceps 4 is provided with a pin, the outside of the forceps mounting sleeve 3 is provided with a waist-shaped hole, one end of the pin penetrates through the waist-shaped hole and is rotatably connected with the two sampling forceps 4, the transmission sliding seat 7 drives the two sampling forceps 4 to rotate towards each other through the transmission connecting rod 6, and the sampling operation on the living body is realized.

[0020] In use, the cladding layer 2 is connected with the handle of the endoscope, the power supply is turned on, the elastic mounting pipe 5 is fixedly installed on the inner wall of the cladding layer 2, and a plurality of elastic support rings 16 and elastic support wires 17 which are perpendicular to each other are distributed in the inner part of the elastic mounting pipe 5, so that the elastic support rings 16 and the elastic support wires 17 can elastically support the elastic bending pipe 1 when the elastic bending pipe 1 is bent, and the diameter size of each part of the elastic bending pipe 1 is kept unchanged when the elastic bending pipe 1 is bent. The forceps mounting sleeve 3 is connected with the elastic mounting pipe 5 through the connecting threaded sleeve 15, so that the forceps mounting sleeve 3 is connected through the connecting threaded sleeve 15, the one-time use of the forceps mounting sleeve 3 is realized, the forceps mounting sleeve 3 is convenient to disassemble and assemble, the power connector 13 is fixedly connected with the connecting threaded sleeve 15 through the sealing partition plate 9, so that the first wire 11 can be automatically electrically connected with the second wire 14 through the power connector 13 when the forceps mounting sleeve 3 is assembled, and then the image collection and display are realized through the endoscope camera 12 when the forceps mounting sleeve 3 is inserted into the forceps channel. When sampling a living organism, the sampling wire 8 is pulled so that the sampling wire 8 drives the transmission slide 7 to slide axially under the guiding support of multiple retaining plates 10, sealing partitions 9 and clamp head mounting sleeve 3, and then the transmission slide 7 drives the two sampling clamp heads 4 to rotate toward each other through the transmission connecting rod 6 and realize the living organism sampling operation. The transmission slide 7 is connected to the clamp head mounting sleeve 3 by a spring, so that when the sampling wire 8 is loosened, the transmission slide 7 can drive the two sampling clamp heads 4 to automatically reset.

[0021] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A coated disposable endoscopic biopsy forceps set, comprising a handle (18), characterized in that: An elastic bent tube (1) is installed at one end of the handle (18), and the elastic bent tube (1) includes a coating layer (2). An elastic mounting tube (5) is fixedly installed on the inner wall of the coating layer (2). A plurality of elastic support rings (16) are installed inside the elastic mounting tube (5), and a plurality of elastic support wires (17) are installed on the inner side of the elastic support ring (16). A plurality of retaining sheets (10) are fixedly installed on the inner side of the elastic mounting tube (5), and a sampling wire (8) and a second wire (14) are installed on the inner side of the plurality of retaining sheets (10); One end of the second wire (14) is fixedly mounted with an electrical connector (13), one end of the electrical connector (13) is mounted with a first wire (11), and one end of the first wire (11) is fixedly mounted with an endoscope camera (12).

2. The coated disposable endoscopic biopsy forceps set according to claim 1, characterized in that: A pliers head mounting sleeve (3) is mounted on one end of the elastic mounting tube (5), a connecting threaded sleeve (15) is mounted between the elastic mounting tube (5) and the pliers head mounting sleeve (3), and a sealing partition (9) is fixedly mounted on the inner side of the connecting threaded sleeve (15).

3. The coated disposable endoscopic biopsy forceps set according to claim 2, characterized in that: A transmission slide (7) is slidably connected to the inner side of one end of the clamp head mounting sleeve (3), one side of the transmission slide (7) is rotatably connected to two transmission connecting rods (6), and one end of the transmission connecting rod (6) is rotatably connected to the sampling clamp head (4).

4. The coated disposable endoscopic biopsy forceps set according to claim 1, characterized in that: The plurality of elastic support rings (16) and retaining sheets (10) are uniformly arranged along the axis of the elastic mounting tube (5), the plurality of elastic support wires (17) are circumferentially arranged relative to the axis of the elastic mounting tube (5), and the plurality of elastic support wires (17) pass through the elastic support rings (16) and are bonded and fixed to the elastic mounting tube (5).

5. The coated disposable endoscopic biopsy forceps set according to claim 2, characterized in that: Both ends of the connecting threaded sleeve (15) are connected to the clamp head mounting sleeve (3) and the elastic mounting tube (5) through threads, the electrical connector (13) is connected to the sealing partition (9) through threads, the endoscope camera (12) is connected to the second wire (14) through the first wire (11) and the electrical connector (13), and the endoscope camera (12) is fixedly connected to the clamp head mounting sleeve (3).

6. The coated disposable endoscopic biopsy forceps set according to claim 1, characterized in that: One end of the sampling wire (8) passes through a plurality of retaining plates (10), a sealing partition (9) and a clamp head mounting sleeve (3) and is fixedly connected to the middle of the transmission slide (7). The transmission slide (7) and the clamp head mounting sleeve (3) are connected via a spring, and the transmission slide (7) slides linearly back and forth along the axis of the clamp head mounting sleeve (3).

7. The coated disposable endoscopic biopsy forceps set according to claim 3, characterized in that: Both ends of the transmission connecting rod (6) are rotatably connected to the transmission slide (7) and the sampling clamp heads (4). A pin is provided in the middle of the two sampling clamp heads (4). A waist-shaped hole is provided on the outer side of the clamp head mounting sleeve (3). One end of the pin passes through the waist-shaped hole and is rotatably connected to the two sampling clamp heads (4).